{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x7ed1140e88f519f20f381701d8e61911eeb1313e80e9bc0c56ad1ec86ea8c815",
    "signature": "0x495bde760f7be8d447b201a364f5d36bd2dc2fbdae1232a1e644890e13b5f6d820ef89163f2c08f5dc954835c72c3bea7c123ca32a81380deec2bef2cc1a84021b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}