{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470781",
    "entityType": "User",
    "nonce": "0xf88c8ece17719512c9ee1fce71f374e926ca54b661aa4ac7d6cd82811dad6e48",
    "signature": "0xbe756589f2cad5202f2035b6e87167947759d4eacabe683735ea21f5e4f654283e668cdcb1814ab4186787d0a11af3405547f8f132e91936446fbc967dc91d6d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}