{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0xe453e0b4fea99bbc7dd565f9c6be5274cf21c4dd48eb36f7b972ae03b3df6387",
    "signature": "0x1de6239df64184d1a62ffdc145c3bc17d55600ea5e39e6904cf589afc895eef83df6ac441ee5f4e7ef9980cd812612f4602149ccc0f301e521f74fee1b33f3621b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}