{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x89bb79126512895da854048fd7598c0372bdd9ea46bcedc7ec648d3065200be7",
    "signature": "0xf8b0fa3320292d1340d8a1e1201552953ee8ec97c89a99a1f90e5df08c3174247fec45412de7b4d44745cfc889646194e067e8355c61f0452bda609a29e538c81c",
    "signer": "0x854726bE5910ceEe19fBd2D4CE0518966CA41382",
    "userId": "124312"
  }
}