{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142026",
    "entityType": "User",
    "nonce": "0x94e7fc76c55081ec00f5f040d2bfc74f86259d44ff3793bcef9c58698c650f1a",
    "signature": "0xfe8500970e7fc73cc31aea8a566db1205f60740f0080aed009a56c42650350db3bd76eb2028f5ad037987eeb4c67890017444f7aece632eb7c332fa65e70d4da1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}