{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774076",
    "entityType": "User",
    "nonce": "0x05b22f28b05f04e7999abf6b187320c4475c6112164aab8cb39ba7cd9dd288cf",
    "signature": "0x486c2e3aee98d7c9bce003cdca65105d5cf4e300152ca6cc371a4cf8f3e627575cb4b5a675dd8fbfd30e9d665e2017355a9521bb6901a3be5634cb47bb7682571b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}