{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353982286",
    "entityType": "User",
    "nonce": "0xb911d9d4074fdd022d0e2fc15ed2a3084716aa3a13f2886338c5977fb9b86f4e",
    "signature": "0x351a21bbb1d757d4fbb47cdc1f2d841c6fbbd803f1878a964a702b76b534a5dc337bacb2a74e1663ee48fdb298a21254630deee0280187e81ff3a72f45c0d9be1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}