{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702282",
    "entityType": "User",
    "nonce": "0x7085f1ae2c8bbbed666405dc5b9a9e7fd26238ea35b2f0e2d444b1c46e11d9f4",
    "signature": "0x4fd8310c9836c7955087be32042b8ef83054c2fe444e4bf65d0844738452638f459e089a1e2f31e0ecdd42a2fda38172ae5a7306e6eeb846af30d54599ee24cf1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}