{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10654",
    "entityType": "User",
    "nonce": "0xfa321f332a90912f4bbf6c8397d7790fd3dea8df7dfde818c28c73efb14da631",
    "signature": "0x4e3cfaa860ddf76f61a581add8dcd14274ef8c4624c55912e299328b91f22af654c5719624426b8edbc4fcfe20ccaaf8bc65eec59b0a493a262849057798d0ab1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}