{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x2ff7693272084b8d3892f253dce4e2dc26901ac66658e275b39259432748169a",
    "signature": "0x154f0465d25a85f48be840a8a09b70c0a2767c59f4fb4e6d68121d3aff32c9cd3de82125d7a65741a8d9ae8fbb866d2157a7bf394c8bc7cb0a7094fed3e785be1b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}