{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242744",
    "entityType": "User",
    "nonce": "0x05ffc8db2a42baf22eae1d0c12e545b241dd76960f8a0354429f27f4513d16dc",
    "signature": "0xb7b611fac44875501d8e50b606686816155eef05a374425a310f14176758e85a36b97b7ab36da68a13b476ade02a2138b9f96bb2865e367f72e7e4c6dec41c591c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}