{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8614",
    "entityType": "User",
    "nonce": "0xa47fe723dfa8b0a3216cc69460dee810489e3a5ff359863bb94d963aa0c4770e",
    "signature": "0x946fc9a32d54a0ac0fb2e3adfe58703f17215e61d739a91ff9e37d2e301610a84bd6ce237784c18f52cabe535ed773b02ee74a0d1932cb3af73c212cd554a9e11c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}