{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x0b191902e26de8bf3b42ddbd74f0561229497243a254ab43d383f30c1f3b2e3f",
    "signature": "0x542613d1417175fca07e63f67250c7546b7ebd3111299ef51b0ecaf8587311b82f623a4606ed4b65c0596afbde618b709d0be7165be74db4857e0114b0b7f3971c",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}