{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "268693",
    "entityType": "User",
    "nonce": "0x5e9a9073bdf5135eb038f192a9fe32602745da240dc262b3968445dea1ca40be",
    "signature": "0x348ef76ff339d30a1a9d68feb97c2814718b84c3f638780aa49fecb1036c53a94d399efc873f33816591ecefcfc6446543ac43952bb1babd503f0439466972231b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}