{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77868",
    "entityType": "User",
    "nonce": "0xb2e3d463517ba0b3d77a0efdb4080ae6cf6810c93a64883fb786e88f8495bfa2",
    "signature": "0x947f8e4655d104f0ba8adcb4823f22aab55a5677bc3de02a65a1091ca4f18ae33ece6c228b916553343ecd3cf38e2a74347b7fe50cef6978245d8007aa4081bb1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}