{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134142",
    "entityType": "User",
    "nonce": "0x910cf0be8323e02a3a6f77c0c589ee0f4531dde331d674fe788e3a07cb35b39f",
    "signature": "0xc416c19290342d6e4f849409af82901c5d6b62d395b3ad9de3c1d96799d02ef55b875e2c115ca5504032891827e56c869791924c64d7e43eed0bd90eb2826bcf1b",
    "signer": "0xa99169c0C58d88F3530081334E058a394B7CA104",
    "userId": "960339313"
  }
}