{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143760",
    "entityType": "User",
    "nonce": "0x0f70f3869c91e61389c616f27c3b5de8f71c9cb5a94397c426092d5d4480058c",
    "signature": "0x548af993969ac2038ceb4658b2140075c584c4a946821c87c6288741f760ec8b61bc3d1f3109b7c3f263b9f0eeed20460a0f370040fa6a04a9c002bbc99652301b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}