{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0x022d37ac671c1c3a99abad779b55cb475a941dd231a047149d85cbc01f45d293",
    "signature": "0xd4be44f30e88a6e172517d1cbb2588366d3c9f28412df33fcbb691a935c3b8883ec4ac4dd263ccc2f1d3530f864c4e024c384838e07a253a128e449fe61678351b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}