{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12051",
    "entityType": "User",
    "nonce": "0xa719c71a47f7fa4f25155b0fa4ac9be7c254b79a1af741184925db64cfee2828",
    "signature": "0x307795d32639731d096c8222ed7f1eae3f2b7f100aebdabd66645cdfda72ebc66437fcd71704654190da3292e3a13ead6485c38e95abe165bf8b8f2c3a06c3bb1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}