{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6bbec57da5788e155c2dc0757a396c4a3081d0f06d24e080b4b761743895bfc9",
    "signature": "0x089fa7c0634209b0b6ed235697cc9ec870dd7aa4ae63b2a1c13cb7cdbc4e19a529d073632eb6a2a0bc3c40f5c688a8027380935c4e1c2cee90faf49f04567ba71b",
    "signer": "0xe80840F82266A0Bfbea798e325eB9Ee52c5C78AF",
    "userId": "637284137"
  }
}