{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0xabefce9998d0740f9900e500a0252058e891733962b5fe44f84446685670f951",
    "signature": "0x23dfec0477f46d25a5ed17b1b87d5d8c7487ca2d65652fdcd58a84a8ac04bf107071e0c53052b4aeb2a20e44cc240223083319514d6fd31cd6b086af5c0d25991b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}