{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1040",
    "entityType": "User",
    "nonce": "0x9e39e62dabb40b7d7042136ad37cd8441617cc3259236adf8d2e43c874f892e3",
    "signature": "0x09d87aa2cd4ebc0e42844e4bef8ff01de6331ca3d4bdbe0165c2ad78539bdd7a47ff30ad4613036b65090d5b651ce082500fe8bb69b0286efe255c6aece69f0e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}