{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161949",
    "entityType": "User",
    "nonce": "0x10846206996f54a817be6bd4729c08d2db14a76dbb9f2f47428fd797c72ffe09",
    "signature": "0xf2b121a24fbec3c51bad5dacdd5a8290a97ac04ac014683308aabb1ca8aa4b7e6993dfcaf226aa031dbdd25709174d0ca7c9eb89d6ea5c66679a831883fb27e61b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}