{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34815",
    "entityType": "User",
    "nonce": "0xf6bac37a35555aac23fe385c69ab876a37a22e3d15409d6078db082930137435",
    "signature": "0xe73d8a1ffa28c4c549b712778b61a2366fdfeb906ce345d24bce57a62031387465be7aebcc8a352efe12b1f1ec1f98177bc83b14146c32e7a0e6f658438dcdf31b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}