{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162588",
    "entityType": "User",
    "nonce": "0x29d87b21af4c6315ff63dd67270377680c8e9f81ebb721429597ee2122a20184",
    "signature": "0x0df88d0f9e246e71bcbebe9287f658281b759584db33cb240e373997d09d739f30376e6fbb5bef0497d11b1109625f4a048c38caecd2432c520e8da52e8005431c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}