{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809637605",
    "entityType": "User",
    "nonce": "0x793d77ddaa2411c901380b49d491ee7efd0b81b93b2eacd6396961a30e32f053",
    "signature": "0x58bcb36cc8619cce78ee6a922507d2c41b287872331a47ccb18a6d5ae82d35f8725722ad6f0c140a1bf1456b945455595bcd0f61eda0edbf30eeb7b0a2cff65c1b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}