{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6838510",
    "entityType": "User",
    "nonce": "0x02aa5af2244c11b557be6124b06942180fffdb1f364cc1d1cd6459a57a31e360",
    "signature": "0x53fc9a3c071390715467a5939f12a68cfdcd9b27b968b0dd37cee56d8a00332c6103dc3cddd433b3206224d5741c127a86e0028df3afeb7724f7c2bd92a9165b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}