{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x55567bc285bf854ebefde5fea39e963dba23670a2efd84403ca4cc5e3a1c0e2d",
    "signature": "0x22e853f66b56da64f99046d543bc3d75a5eac4d50a3c2adca46bce735952c4096fa6934d4d39849cc2a962a8a8ba44828580c2a3d0059ae652405226cdaff79f1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}