{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8450b92810f6deec93b9a1d7427e28360ebfb090e8b9aff2a0397e95ba0ff141",
    "signature": "0x78bc6c65c524deba7b66e30eaf68266782fe40c7db223c11a2d6e36a5df931e37d040f9f0e3990db613a7dd1f01dd86dce9a6f197cd3d03165f857ec58ddf0e61b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}