{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x23fc3058ed9b48899b8ed9abbe2f79405414fa0fa067ea2333fdfe630650dea6",
    "signature": "0xd0aa4296be11a39df4db27f2cf80e51375d050314311e2c5a0a3029bc472b9387208d0c984f6c0c5b1aba94735a285ca26b5ca16deea010b80df3cf62eec2beb1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}