{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347885",
    "entityType": "User",
    "nonce": "0xe917190765f157bd294e7d326211bae24eb8704e6c8088974fb2e51f4f7825b2",
    "signature": "0x0f82d57292ab1525ab9605ce7d60ee7c014d18c25882cc77199f3c243fa1a5c5739c5c6f0b202e19c9a548b84d116dd2db9a59b04c25b111886ce5de2629db571b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}