{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217853",
    "entityType": "User",
    "nonce": "0x7cffec52ae3a407862943e2b31499abb7851d649e0c4dcbd88d7318d3df99575",
    "signature": "0x3c55e3b2bf43674fe960e75414ab876da314e61fe10cf270711b767daa1ca1c44dd12654d48809d086f74a995cf4bee3316e121a3bbcff92417b820ab5e583b31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}