{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111728084",
    "entityType": "User",
    "nonce": "0x3c36066fd7d8e27cddcff748b8edc5a61f8eb2cbd6e1014e431feebd955290eb",
    "signature": "0x85888de2b654df71cdcb50ded324891e8c825522d03cdac3d03e342f9c280fda09820ed855f9ece9dea56a02b4f339cd9c3ef686da73c89746a88cacfc2bd4081c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}