{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2874",
    "entityType": "User",
    "nonce": "0x9365bbb5c91c04b6ca1bda79e1ca639422e5af22003700cfb141a3db9d5c281b",
    "signature": "0xb9862f7bd16b368a002682750a797d0fe54af0bf77dba9c8037709f42258c32d50ac4d13d4dab8dcf5b409191df92d864f102291a8faae3c9c87f6418678ae6f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}