{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xf4865453aa90fc1ced6b4e87af3a528d06bec51308493cddac477c7721704581",
    "signature": "0xcc0c807a451a42a849597d7583c1fea2f403917069ce65f63d073118e8d0e11842da886de1896053547312d46847fb25a18c03a61d85400f5d52d2774dd61b0f1c",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}