{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0xe7ef8858159bba5adc09e6c5d192c2d33d400120e7dd1a9656b99abefa98faa5",
    "signature": "0xd5ef51f599311bdef484b94eba479b2e6386e84c23267fcb5813f7f2d3f8161c47029c7cb0622fafcebb9e56bddfe575dfed8a2957f0548a812ac68df692bed21b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}