{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170078",
    "entityType": "User",
    "nonce": "0xc873de0be14e0e48a76cb8480b20ef21d665fbcffad6fa4a42f5a4ed60b7838f",
    "signature": "0xb51f707c218774db3f43491a3163894648dc7363f16753b9f53922a654ac11564bc37bb18b5b300cbc622a8c981c3d5deba8f9fa3519689f60f01104c17329791c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}