{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97641",
    "entityType": "User",
    "nonce": "0x9e70c04d9ecf523dafab27a5d5b132c1c68125333b928a0bb9ae424c7d561d56",
    "signature": "0x45db6c8b2e96300c6d993740dc3c2efb6b1a584f4e98d4a091a7a5b1d08c25e84096e22e2e02a9ea1ae33c80dce325eba838bb45f6e84ea1e26cea5e9ab5df4b1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}