{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "24240642",
    "entityType": "User",
    "nonce": "0x5d3eda45f4de14edadf7d4c84e39eeaad3bebd17c59b788200b1790a4da61e1b",
    "signature": "0xa411f5cfa59c3fb8277ba079a2ccb0c8f63819a643ec413582d83ded268337e31230940cb9382ce98c757de89614d06f670f23758341ff3f480e792fc7d47f161b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}