{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394725",
    "entityType": "User",
    "nonce": "0x37d0b80abe3fb03c6dbecb583658dcbd91d5e31303dcd14b3b94b7d7e5417e59",
    "signature": "0x29a3b48879e4c167664a29ed07900a9b10952c666d287ec08c17cf8e0ce38dff227d7a76d80d1bef0b4bbe82f06c1ef5a2d061afaf2d099bc72d21eaf6bde0be1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}