{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774741623",
    "entityType": "User",
    "nonce": "0xda6029d6810e0f5a2767276debc0941a385e54f511c2ccbb15f825f8db57c9ed",
    "signature": "0x7e30a7be97c07fbe5ea34c7fb7cd5b7e8c3e2ac12ca828da2998c5e9337a67fa399ba25613888f9cde18433be0d4ad688454764f655118d09064aa66fabf932c1c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}