{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0x710b05345e1a2316c6005c4523c0df9fa517cf0190752d0fb26c2e1997382072",
    "signature": "0xc84c2bd81b10b28af6f3d419469f6031aa4c3fe548f3d73aa02c46d01514f2b86ddb28728e56639607a509cb40794a1522fc8ab32e845fc9cfc5d6fbd2d8569a1c",
    "signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
    "userId": "781663071"
  }
}