{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28682",
    "entityType": "User",
    "nonce": "0xf06172c70cff8850812ea8f7bd3a0bd79062177530d927f8432512fa3feb2c28",
    "signature": "0xed99be434b9d69e8d96a5ba9cb77d35fe4739a3a7574e4a4249464b7ed67f2e31b1f3e4f8fb58b475b50775be4de5150a27d1c72718b44d9813a2b5490d248e21c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}