{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55730",
    "entityType": "User",
    "nonce": "0xcfd22ee19bf12daa0d24469d9d985f8ebf37e967a3b10e690c5b75ef5d5104e6",
    "signature": "0xfd5be357d073dfbbd332e1225fdfd8e0f114e8b0bde42b7a00bb02704a844ce40bc05a61df0881a8027f15651d2d0b044ca0f54320fa7489e7d3b527c20d2afc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}