{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xe13ef095fc74ca127e17009c4c063d853662c86dd9d0a9c0cc389a4650880337",
    "signature": "0xd72f2763a6bd61ce14d57a6f54620328bfe2e2aa718c2cd2cd0fd07dfaabf130378a47085e231a6b542f06cb52609f0553be3783326ac7bddf71be98b79db9131b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}