{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0xce792c44703fda8a0f30b034db084f2a55a6632fee428ed1cd7e2a3d6670791e",
    "signature": "0x6f5c353c973f7a567489f606e70965fb269a6c9bab4c50636418e2ed730f18d901a2c8ac44968b6676e3e0a86052c7eda774f53f3c136ceefdd16ac8cf87cd0f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}