{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x4bd1e0e46e8cb1824a3a204deee1b552af3bd35840c5a2a24b4b88210814b0a7",
    "signature": "0xf55fce3cf4a6a3c44364942c5b7623afbf911058216f1a0f100c83f31f7a4e595303256364c3f26bc4cb4ba284ef127739b9da015a7b96158ac98b74f395a70f1c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}