{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152601",
    "entityType": "User",
    "nonce": "0x9fabcac82460c9c60f3a6cff386d54710b125f03b85ba992c59bda14d0aed87f",
    "signature": "0xa1470c18bc00a95b24f3c5648c6d29e353a8f4fe986a1b81c05e815d4827fbec05a4a0ed3b423181a6a56ece0773e3809fa7711cb4f690f84c21ee2b7c8d68931c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}