{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53823",
    "entityType": "User",
    "nonce": "0x770e35a68daaead3166766e093f48dfdb45bc5c098f0ce8df9e09eba4e2457f8",
    "signature": "0xb774660edfc4fe1b25fe917a31e23c96d54bd6511f0c5ef24887ac325fbd7fe17ba99ecae272b15ca5afd7b3dbbc9126ac01af2cce4e5e5b9359d1acd526b0711c",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}