{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7208",
    "entityType": "User",
    "nonce": "0x2467e7d1ae63fea157fd42534b1c84c734123f364e8c7a0a79b92d2d4fef1b3d",
    "signature": "0x22f9b7712567df85d7d731c57de12dcc3ddddf51bdcd2bc404dd2d93fb255cd512d9b57672d8216d14a74377c33b3a40ef95084e2ffd94e3e680e49b4472a42f1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}