{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696738",
    "entityType": "User",
    "nonce": "0x2dacd170a773510460a8aa8e3568c92c4d769d8db8fd3a212c5011ccd80777d0",
    "signature": "0xb6ebd38d06700e422bc5f0459ae8c0b931a1200570b91e156155e0638462d9427e8cdf177d0b26365b3832bf004012d2a9dd20b874f4e0d405389f5bb0a646fd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}