{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993204852",
    "entityType": "User",
    "nonce": "0xa4a6db0edbd086b1257ab91adf5dd24b0a3692421a5bfdc60ac82eb8c0ad5f5d",
    "signature": "0x4239e6e89fa45e1b32974592a1f8ef0897cb6bb788ccd711f8b3e195b481dec11a62ab653f9a25e8dddc37c213be97e55987aff0cd85fd8b55ac8ae2b9921d5f1c",
    "signer": "0xbcD732a17024E23e12E461C6e27a5898516d8206",
    "userId": "226387589"
  }
}