{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0x2862bddd3f5d08ecb7c0e91798867ce42a2ce968c6cf477b28a7f079f3cb2e2f",
    "signature": "0xf4deb1265d6a881e84b15066d3d4a9afa549edc68b495c228e1b63250eab42707d3cd176a7c7ad76372443fd1c374c8ceef4c4f511c9ae93668cbf6bf90792941b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}