{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xfa8024be5717d8883be42e994957c035bd2342bdd163e6090c1299a69735a0c2",
    "signature": "0x97852ecc6f5b98ffe7c9f8ce7ff815e2130defac598a36f27246bdedd5179be4402f6daf383ebc73ab7690f9f687f17390dd3c6fb7a7494be4ea5d335cf789ee1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}