{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc847642d9d08597f2718c15e5df0a320bdb0b2e9fb8406231b274f11c929fa39",
    "signature": "0xee7c9fa9820359f4b4d2d0e0beebf2269303b738585f77734e38196ded43ee2656742d20d638e82e8c9df300aac8bd8914c6ce1d9dced1b6ed4e512bc35cb09d1b",
    "signer": "0xcADd6225dA13C8d3249bD4474B43D2258A5924B2",
    "userId": "554580244"
  }
}