{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x295bfd059e745e77388d86168fdbc85bbb7dd7317a1503a3b262b8f47f3b611d",
    "signature": "0x164250b589f1731ba73a92f7f70fc286a46c14d26524d5b33a570ff8b2416c2e2287eeaf293dade1142ae4a31079eed930cc06e96415d36633beb76a0bd473a71c",
    "signer": "0x98c2bD590CE60Ebed78C8b757095E132f6E52eb4",
    "userId": "70394159"
  }
}