{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0xbe30bf6e22310d603918f26f420f0b0d9cf496fe75e09bd774eb3c05b74d8d91",
    "signature": "0x8b71844e6f55eae145740d8d1681b9d2734094eac148a675fef588779035ed805540304c09d5fbfd72d54435c7397378563fab375aa7227220090ded864e0d031c",
    "signer": "0x4D1242D0da3f49195E59794290Cbfd833cCD04FF",
    "userId": "627952347"
  }
}