{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817118268",
    "entityType": "User",
    "nonce": "0x4ab13f257222e7d22006f3598eedd9c5aa72cd3df6f2ba7189b1293a0bdbcd53",
    "signature": "0x7adabe09c337f52d0d1ce517eb558ffb2d641c17e464c39e2bfb2551d34d42715a7da4ff21d57a7b6f50f5ff57691c6d3feae10d081bb0f0a09c1de179901f821b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}